A Carnegie Mellon University student who hoped to sell enough malicious software to infect 450,000 Google Android smartphones pleaded guilty Tuesday to a federal law meant to prevent hacking of phones and computers.

A worldwide gang of criminals stole $45 million in a matter of hours by hacking their way into a database of prepaid debit cards and then draining cash machines around the globe, federal prosecutors said—and outmoded U.S. ...

A British computer hacker affiliated to the group Lulz Security pleaded guilty Tuesday to cyberattacks on institutions including Sony, Britain's National Health Service and Rupert Murdoch's News International.

A small California-based Internet provider is the second company to confirm it fought back against a court demanding a customer's account information as part of a criminal investigation into the release of documents by WikiLeaks.